Home / 84,631.98-116,789.27-48,821.07

Finding the Fourth Proportional to 84,631.98, 116,789.27 and 48,821.07

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Solution

The fourth proportional to 84,631.98, 116,789.27 and 48,821.07 is: 67,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,631.98 : 116,789.27 = 48,821.07 : x
  2. Step 2: Convert to fraction form
    84,631.98/116,789.27 = 48,821.07/x
  3. Step 3: Cross multiply
    84,631.98x = 116,789.27 × 48,821.07
  4. Step 4: Simplify right side
    84,631.98x = 5,701,776,881.81
  5. Step 5: Solve for x
    x = 5,701,776,881.81/84,631.98
  6. Step 6: Final answer
    x = 67,371.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.